T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.

A237015

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.

Terms

    a(0) =256a(1) =704a(2) =704a(3) =1936a(4) =1632a(5) =1936a(6) =5984a(7) =3928a(8) =3928a(9) =5984a(10) =18496a(11) =10776a(12) =8416a(13) =10776a(14) =18496a(15) =61472a(16) =30248a(17) =20776a(18) =20776a(19) =30248a(20) =61472a(21) =204304a(22) =92328a(23) =53200a(24) =46416a(25) =53200a(26) =92328a(27) =204304a(28) =712352a(29) =286168

External references